325499904 has 176 divisors, whose sum is σ = 984852640. Its totient is φ = 106168320.

The previous prime is 325499899. The next prime is 325499917. The reversal of 325499904 is 409994523.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 325499904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1686432 + ... + 1686624.

Almost surely, 2^325499904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325499904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492426320).

325499904 is an abundant number, since it is smaller than the sum of its proper divisors (659352736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325499904 is a wasteful number, since it uses less digits than its factorization.

325499904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 325499904 is about 18041.6158921533. The cubic root of 325499904 is about 687.8867670147.

The spelling of 325499904 in words is "three hundred twenty-five million, four hundred ninety-nine thousand, nine hundred four".